Chapter 4 (Electrical) Flashcards
1
Q
What is 1KV
A
1000V
2
Q
What is AC vs DC?
A
Alternating current shooting back and forth at 60 times per second, Direct current flowing from positive to negative
3
Q
What is voltage gradient on ground?
A
Similar to pebble in water
4
Q
What is the safe limit approach of 0-750V?
A
1M (3ft)
5
Q
What is the safe limit approach of 750-150,000V?
A
3M (10ft)
6
Q
What is the safe limit approach of 150,000-250,000V?
A
4.5M (15ft)
7
Q
What is the safe limit approach of greater than 250KV?
A
6M (20ft)
8
Q
What is step potential?
A
Difference in voltage in each step
9
Q
What is touch potential?
A
Difference in voltage from feet to item being touched (flows through body)
